diff --git a/resources/migrations/2014_10_29_202547_migration_cartalyst_tags_create_tables.php b/resources/migrations/2014_10_29_202547_migration_cartalyst_tags_create_tables.php
index e4015d5..164a80e 100644
--- a/resources/migrations/2014_10_29_202547_migration_cartalyst_tags_create_tables.php
+++ b/resources/migrations/2014_10_29_202547_migration_cartalyst_tags_create_tables.php
@@ -35,7 +35,7 @@ public function up()
             $table->increments('id');
             $table->string('taggable_type');
             $table->integer('taggable_id')->unsigned();
-            $table->integer('tag_id')->unsigned();
+            $table->integer('tag_id')->unsigned();           
 
             $table->engine = 'InnoDB';
 
@@ -47,6 +47,7 @@ public function up()
             $table->string('namespace');
             $table->string('slug');
             $table->string('name');
+            $table->string('lang');
             $table->integer('count')->default(0)->unsigned();
 
             $table->engine = 'InnoDB';
diff --git a/src/IlluminateTag.php b/src/IlluminateTag.php
index 92cd356..3f769c9 100644
--- a/src/IlluminateTag.php
+++ b/src/IlluminateTag.php
@@ -41,6 +41,7 @@ class IlluminateTag extends Model
     protected $fillable = [
         'name',
         'slug',
+        'lang',
         'count',
         'namespace',
     ];
diff --git a/src/TaggableInterface.php b/src/TaggableInterface.php
index 6088d6c..843477a 100644
--- a/src/TaggableInterface.php
+++ b/src/TaggableInterface.php
@@ -71,14 +71,13 @@ public static function setSlugGenerator($name);
 
     /**
      * Returns the entity Eloquent tag model object.
-     *
+     * @param  string  $lang
      * @return \Illuminate\Database\Eloquent\Relations\MorphToMany
      */
     public function tags();
 
     /**
-     * Returns all the tags under the entity namespace.
-     *
+     * Returns all the tags under the entity namespace.    
      * @return \Illuminate\Database\Eloquent\Builder
      */
     public static function allTags();
@@ -87,7 +86,7 @@ public static function allTags();
      * Returns the entities with only the given tags.
      *
      * @param  \Illuminate\Database\Eloquent\Builder  $query
-     * @param  string|array  $tags
+     * @param  string|array  $tags    
      * @param  string  $type
      * @return \Illuminate\Database\Eloquent\Builder
      */
@@ -107,7 +106,7 @@ public static function scopeWithTag(Builder $query, $tags, $type = 'slug');
      * Returns the entities that do not have one of the given tags.
      *
      * @param  \Illuminate\Database\Eloquent\Builder  $query
-     * @param  string|array  $tags
+     * @param  string|array  $tags    
      * @param  string  $type
      * @return \Illuminate\Database\Eloquent\Builder
      */
@@ -117,43 +116,48 @@ public static function scopeWithoutTag(Builder $query, $tags, $type = 'slug');
      * Attaches multiple tags to the entity.
      *
      * @param  string|array  $tags
+     * @param  string  $lang
      * @return bool
      */
-    public function tag($tags);
+    public function tag($tags, $lang = null);
 
     /**
      * Detaches multiple tags from the entity or if no tags are
      * passed, removes all the attached tags from the entity.
      *
      * @param  string|array|null  $tags
+     * @param  string  $lang
      * @return bool
      */
-    public function untag($tags = null);
+    public function untag($tags = null, $lang = null);
 
     /**
      * Attaches or detaches the given tags.
      *
      * @param  string|array  $tags
+     * @param  string  $lang
      * @param  string  $type
      * @return bool
      */
-    public function setTags($tags, $type = 'name');
+    public function setTags($tags, $lang = null, $type = 'name');
 
     /**
      * Attaches the given tag to the entity.
      *
      * @param  string  $name
+     * @param  string  $lang
      * @return void
      */
-    public function addTag($name);
+    public function addTag($name, $lang = null);
 
     /**
      * Detaches the given tag from the entity.
      *
      * @param  string  $name
+     * @param  string  $lang
      * @return void
      */
-    public function removeTag($name);
+    public function removeTag($name, $lang = null);
 
     /**
      * Prepares the given tags before being saved.
diff --git a/src/TaggableTrait.php b/src/TaggableTrait.php
index e33c58e..b865ac3 100644
--- a/src/TaggableTrait.php
+++ b/src/TaggableTrait.php
@@ -124,7 +124,7 @@ public static function scopeWhereTag(Builder $query, $tags, $type = 'slug')
 
         foreach ($tags as $tag) {
             $query->whereHas('tags', function ($query) use ($type, $tag) {
-                $query->where($type, $tag);
+                $query->where($type, $tag);                
             });
         }
 
@@ -158,10 +158,10 @@ public static function scopeWithoutTag(Builder $query, $tags, $type = 'slug')
     /**
      * {@inheritdoc}
      */
-    public function tag($tags)
+    public function tag($tags, $lang=null)
     {
         foreach ($this->prepareTags($tags) as $tag) {
-            $this->addTag($tag);
+            $this->addTag($tag, $lang);
         }
 
         return true;
@@ -170,9 +170,13 @@ public function tag($tags)
     /**
      * {@inheritdoc}
      */
-    public function untag($tags = null)
+    public function untag($tags = null, $lang = null)
     {
-        $tags = $tags ?: $this->tags->pluck('name')->all();
+        if( empty($lang) ){
+            $tags = $tags ?: $this->tags->pluck('name')->all();
+        }else{
+            $tags = $tags ?: $this->tags()->where('lang', $lang)->pluck('name')->all();
+        }
 
         foreach ($this->prepareTags($tags) as $tag) {
             $this->removeTag($tag);
@@ -184,13 +188,13 @@ public function untag($tags = null)
     /**
      * {@inheritdoc}
      */
-    public function setTags($tags, $type = 'name')
+    public function setTags($tags, $lang = null, $type = 'name')
     {
         // Prepare the tags
         $tags = $this->prepareTags($tags);
 
         // Get the current entity tags
-        $entityTags = $this->tags->pluck($type)->all();
+        $entityTags = $this->tags()->where('lang', $lang)->pluck($type)->all();
 
         // Prepare the tags to be added and removed
         $tagsToAdd = array_diff($tags, $entityTags);
@@ -198,12 +202,12 @@ public function setTags($tags, $type = 'name')
 
         // Detach the tags
         if (! empty($tagsToDel)) {
-            $this->untag($tagsToDel);
+            $this->untag($tagsToDel, $lang);
         }
 
         // Attach the tags
         if (! empty($tagsToAdd)) {
-            $this->tag($tagsToAdd);
+            $this->tag($tagsToAdd, $lang);
         }
 
         return true;
@@ -212,10 +216,11 @@ public function setTags($tags, $type = 'name')
     /**
      * {@inheritdoc}
      */
-    public function addTag($name)
+    public function addTag($name, $lang = null)
     {
         $tag = $this->createTagsModel()->firstOrNew([
             'slug'      => $this->generateTagSlug($name),
+            'lang'      => $lang,
             'namespace' => $this->getEntityClassName(),
         ]);
 
@@ -237,7 +242,7 @@ public function addTag($name)
     /**
      * {@inheritdoc}
      */
-    public function removeTag($name)
+    public function removeTag($name, $lang = null)
     {
         $slug = $this->generateTagSlug($name);
 
@@ -246,6 +251,7 @@ public function removeTag($name)
         $tag = $this
             ->createTagsModel()
             ->whereNamespace($namespace)
+            ->where("lang", $lang)
             ->where(function ($query) use ($name, $slug) {
                 $query
                     ->orWhere('name', '=', $name)
@@ -255,7 +261,7 @@ public function removeTag($name)
             ->first()
         ;
 
-        if ($tag && $this->tags()->get()->contains($tag->id)) {
+        if ($tag && $this->tags()->where("lang", $lang)->get()->contains($tag->id)) {
             $tag->update([ 'count' => $tag->count - 1 ]);
 
             $this->tags()->detach($tag);